(won't) Let the cat out of the bag

Проболтаться
-Can I tell you a secret?
-Don't worry, I won't let the cat out of the bag

adorable

amazing, something you can idolize

backwards counting

Counting numbers from the big one to the 1
обратный отсчет
I was rushing away as he was counting backwards

breathtaking

amazing, exciting, catching

catching tune

music that catches you, ear worm

consequences

последствия

cunning

хитрый, коварный

daydreamer

мечтающий средь бела дня

dexterous

smart and tricky

it leaves no doubt

несомненно

Light-handed

проворный, тактичный, ловкий

meow

the sound of the cat's voice

simulatenously

at the same time

to chill till the bone

пронизывать до костей
'cause cold nostalgia chills me till the bone
(Owl City — Vanilla Twilight)

to know to the tips of one's fingers

to know very well
I know her to the tips of my fingers
Как свои пять пальцев

well-to-do

synonym to succesfull

Within a hair of death

на волосок от смерти
I was within a hair of death and it has been a narrow escape
narrow escape — избежание чего либо чудом, с трудом

workmanlike

выполненный на высоком уровне

Как свои пять пальцев

Inside out